*{
	
	margin: 0px;
	padding: 0px;
	border: none;
}
ul,ol{
		list-style:none;
}
.clear:after {
				display: block;
				height: 0px;
				content: ".";
				visibility: hidden;
				clear: both;
			}
.clear{
	zoom:1;
}
body, form, input, select, textarea {
    font: 105% "黑体","Trebuchet MS",sans-serif;
   overflow: hidden;
}
#d1{
	margin: 0px auto;
	width: 100%;
	height: 120px;
	border: 1px solid red;
	opacity: 0.4;
	background: chartreuse;
	
}

#d2{
	margin: 0px;
	position: absolute;
	top: 120px;
	
	left: 0px;
	bottom: 0px;
	width: 300px;
	
	border: 1px solid royalblue;
	
	
	
	overflow: scroll;
	overflow-x: hidden;
	overflow-y: auto;
}
#d3{
	position: absolute;
	top: 120px;
	right: 0px;
	left: 300px;
	bottom: 0px;
	background: red;
	margin: 0px;
	
	height: 100%;
	border: 5px solid aquamarine;
	
	float: right;
	opacity: 0.4;
	overflow: scroll;
	overflow-x: hidden;
	overflow-y: auto;
	
}
lu{
	list-style: none;
	display: block;
	width: 200px;
	height: 80px;
	background: red;
	float: left;
	z-index: 11;
}
li{
	
	padding: 5px;
}
